Not looking for a dumbphone at the moment, but

There’s a KaiOS jailbreaking community … I’ve seen an XMPP client and a Matrix one too.

This is good and opens up a path for using other messengers via bridges.

Right… My favorite “promise” so far was the Tesla SpaceX edition (with rocket boosters or microjets or some shit, IDK doesn’t make sense) and die-hard fans defending this PR stunt as “the car that might fly”.

Plus, AFAIK, Purism is one of the few companies that pays their developers to write FOSS code, which produced the Phosh UI, basic call and text apps, and mobile-friendly UI library.

By “nonstandard SIM” do you mean one of two common SIM sizes that are not “nano”, which is preferred by current phones?

GNSS means it’s global. Which includes US GPS, as well as Europe’s Galileo, Russia’s GLONASS, and China’s BeiDou. Wikipedia

Has been since 2018, and acquisition news caused quite an upset at the time.